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White raven [17]
2 years ago
9

Is carbon dioxide a good absorber of infrared radiation

Chemistry
1 answer:
kompoz [17]2 years ago
8 0

yes.

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An isotope has 15 protons, 16 neutrons, and 15 electrons. What is the isotopic notation of the isotope
VikaD [51]

Answer:

^{31}_{15}P is the isotopic notation of the atom

Explanation:

The isotope notation is:

^a_bX

<em>Where a is the mass number = Number of protons + Number of neutrons</em>

<em>b is atomic number = Number of protons</em>

The atomic number define the nature of the atom, the element with atomic number = 15 is phosphorus, P:

^a_bP

a = 15 protons + 16 neutrons = 31

b = 15

^{31}_{15}P is the isotopic notation of the atom.

3 0
3 years ago
How many atoms are represented in 28 grand of sodium
Nady [450]
The molar mass of sodium is 22.99 ㅤ ㅤ ㅤ 22.99 (28) = 643.72 mol now multiply by avogrados number to find the number of atoms. ㅤ ㅤ ㅤ 643.72 (6.022 x 10^23) = 3.88 x 10^26 number of atoms
8 0
3 years ago
Determine the grams of Iron(III) chloride produced if 22.5 g Iron reacts with Chlorine gas. First, balance the chemical equation
TEA [102]
22.5 because it still stays the same
4 0
2 years ago
If the melting point of a certain amount of a solid is 50 degrees, what is the melting point of half that amount of the solid? 5
borishaifa [10]
The answer is 25 degrees.
4 0
3 years ago
How many moles of NaCl must be dissolved in 0.5 L of water to make a 4 mole/L
kvv77 [185]
C = 4 mol/l
v = 0.5 l

n(NaCl)=cv

n(NaCl) = 4 mol/l · 0.5 l = 2 mol

2 moles of NaCl must be dissolved

5 0
3 years ago
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